The ProLine 40-Gallon Atmospheric Vent Tall Natural Gas Water Heater is designed to deliver an economical performance that can lower your energy bills and also provide long-lasting value. Featuring a 40-gallon (nominal) tank and a 40,000 BTU gas burner, the XCR-40 Standard Vent delivers a first hour rating of 80 gallons and a recovery rate of 42 gallons per hour. It carries a 10-year limited tank warranty, and meets Low NOx emission requirements. Environmentally-friendly insulation and factory-installed heat trap nipples reduce heat loss for maximum energy savings. This ProLine water heater is designed with A. O. Smith's superior commercial-grade tank protection. Advanced tank features include stainless steel CoreGard anode rod, Blue Diamond glass lining and DynaClean automatic sediment-cleaning system, all designed to help protect the tank from the corrosive effects of water and extend the life of the water heater. A. O. Smith's ProLine water heaters are residential products built to commercial-grade standards and are only available for purchase through professional wholesalers and contractors.
| Intended Household: | 2-3 Person |
|---|---|
| Application: | Plumbing |
| Fuel Type: | Natural Gas |
| Capacity (Gallons): | 38 |
| Energy Factor: | 0.62 |
| BTU Input: | 40000 |
| Energy Star Rated: | No |
| Gas Connection: | 1/2" |
| Water Connection: | 3/4" |
| Vent Type: | Atmospheric |
| Vent Size: | 4" 3" |
| ASME: | No |
| Max Pressure (PSI): | 150 |
| 1st Hour Delivery (Gallons): | 70 |
| Recovery 90°F Rise: | 41 GPH |
| Max Altitude (Feet): | 10100 |
| Diameter (Inches): | 20" |
| Height (Inches): | 62" |
| Depth (Inches): | 20" |
| Weight (lbs): | 150 lbs |
| Warranty: | 10 Year Tank/6 Year Parts Limited |
Hello Michael, The only size below 20" that would be 40 Gallons and 18" are as follows: GTN04040, RG140T6N, ENT-40, RG1D40T6N, RG140T6X, M-I-MS40T6LN, GCB-40, M-I-MH40T6FLN, RG1D40T6X.